CN215822097U

CN215822097U - Cervical multiple spot immune cell preparation quantitative control device for injection

Info

Publication number: CN215822097U
Application number: CN202122418778.2U
Authority: CN
Inventors: 赵辉; 孙宪凯; 闫光曲; 段书娇; 刘利
Original assignee: Henan Yuanchuang Life Stem Cell Bank Technology Co ltd; Yuanchuanggene Chongqing Cell Application Technology Research Institute Co ltd; Zhengzhou Bain Biotechnology Co ltd; Zhengzhou Revo Gene Industry Co ltd
Current assignee: Henan Yuanchuang Life Stem Cell Bank Technology Co ltd; Yuanchuanggene Chongqing Cell Application Technology Research Institute Co ltd; Zhengzhou Bain Biotechnology Co ltd; Zhengzhou Yuanchuang Gene Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-15
Anticipated expiration: 2031-10-08

Abstract

The utility model provides a cervical multipoint injection immune cell preparation quantitative control device, which relates to the technical field of preparation quantification, and comprises the following components: the sleeve pipe, sheathed tube one end fixed mounting has first check valve, the outer wall one end fixed mounting that the sleeve pipe is close to first check valve has the second check valve, first check valve and second check valve are kept away from sheathed tube one end and are installed the syringe needle respectively and advance the pencil, sheathed tube inside movable mounting has the injection piston, one side movable mounting quantitative piston that first check valve was kept away from to the injection piston, the sheathed tube other end is rotated and is installed the flange, the quantitative piston is kept away from the one end of injection piston and is installed adjusting screw. The quantitative adjustment of the device is carried out according to the amount of the cell preparation required to be injected, and meanwhile, the quantitative adjustment of the device is accurately carried out through the adjusting screw rod and the scale on the surface of the adjusting screw rod, so that the cell preparation can be accurately quantified.

Description

Cervical multiple spot immune cell preparation quantitative control device for injection

Technical Field

The utility model relates to the technical field of preparation quantification, in particular to a quantitative control device of an immune cell preparation for multipoint cervical injection.

Background

When the immune cell preparation is injected into the cervix at multiple points, the injected cell preparation needs to be quantified, the immune cell preparation is often stored in a medicine bottle, and the medicine bottle generally has no metering function, and particularly cannot perform effective component when the immune cell preparation is injected at multiple points.

However, the above-mentioned technical solutions of the conventional immune cell preparation quantitative control device have the following disadvantages that the device can only quantify the cell preparation through the scale on the outer wall of the injection tube, the precision is poor, effective components cannot be obtained, and the quantification of the device cannot be adjusted according to the amount of the cell preparation to be injected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an immune cell preparation quantitative control device for cervical multipoint injection, and aims to solve the problems that the immune cell preparation quantitative control device in the prior art quantifies cell preparations only through scales on the outer wall of an injection tube, the precision is poor, effective components cannot be obtained, and the quantification of the device cannot be adjusted according to the quantity of the cell preparations to be injected.

In order to achieve the purpose, the utility model adopts the following technical scheme: the immune cell preparation quantitative control device for cervical multipoint injection comprises: the sleeve pipe, sheathed tube one end fixed mounting has first check valve, the outer wall one end fixed mounting that the sleeve pipe is close to first check valve has the second check valve, first check valve and second check valve keep away from sheathed tube one end and install the syringe needle respectively and advance the pencil, sheathed tube inside movable mounting has along its inner wall single degree of freedom injection piston that slides, one side movable mounting that the injection piston kept away from first check valve has along the quantitative piston that sheathed tube inner wall single degree of freedom slides, the sheathed tube other end rotates and installs the screw flange, the one end that the injection piston was kept away from to the quantitative piston is installed and is equipped with quantitative scale's adjusting screw with screw flange threaded connection its outer wall

According to a further technical scheme, connecting columns parallel to the adjusting screw rods are fixedly mounted on two sides of the outer wall of one end, close to the quantitative piston, of the injection piston, and one end, far away from the injection piston, of each connecting column extends out of the sleeve and is fixedly connected with the push plate.

According to a further technical scheme, sliding holes are formed in the periphery of the outer wall of the quantitative piston, and the quantitative piston is connected with the outer wall of the connecting column in a sliding mode through the sliding holes.

According to a further technical scheme, the middle of the push plate is provided with a through hole for the adjusting screw to pass through, the through hole is coaxial with the adjusting screw, and the diameter of the through hole is larger than that of the adjusting screw.

According to a further technical scheme, the first one-way valve is communicated when liquid medicine in the sleeve is discharged, and the liquid medicine cannot be communicated when the liquid medicine enters the sleeve.

According to a further technical scheme, the second one-way valve is communicated when liquid medicine enters the sleeve, and the second one-way valve cannot be communicated when the liquid medicine in the sleeve is discharged.

The utility model has the beneficial effects that:

when immune cell preparation is quantitative, the screw flange is rotated, the quantitative piston is driven to move towards the direction far away from the first one-way valve through the threaded connection with the adjusting screw rod, so that the quantitative of the device is adjusted, the push plate is pulled after the adjustment is completed, the injection piston is driven to slide towards the quantitative piston, the space volume between the injection piston and the first one-way valve in the sleeve is increased, the pressure is reduced, the cell preparation enters the sleeve through the medicine inlet pipe and the second one-way valve, when the injection piston is abutted against the quantitative piston, the quantitative of the cell preparation is completed, and the quantitative adjustment of the device can be accurately performed through the adjusting screw rod and the scales on the surface of the adjusting screw rod, so that the cell preparation can be accurately quantified.

Drawings

Fig. 1 is an external structural view of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.

In the figure: 1. a sleeve; 2. a first check valve; 3. an injection needle; 4. a second one-way valve; 5. a medicine inlet pipe; 6. an injection piston; 7. a dosing piston; 8. connecting columns; 9. pushing the plate; 10. a through hole; 11. a threaded flange; 12. adjusting the screw rod.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-2, a quantitative control device for immune cell preparation for multipoint cervical injection comprises: sleeve pipe 1, sleeve pipe 1's one end fixed mounting has first check valve 2, sleeve pipe 1 is close to the outer wall one end fixed mounting of first check valve 2 has second check valve 4, injection needle 3 and advance pencil 5 are installed respectively to the one end that sleeve pipe 1 was kept away from to first check valve 2 and second check valve 4, the inside movable mounting of sleeve pipe 1 has injection piston 6 that slides along its inner wall single degree of freedom, one side movable mounting that injection piston 6 kept away from first check valve 2 has quantitative piston 7 that slides along the inner wall single degree of freedom of sleeve pipe 1, the other end of sleeve pipe 1 rotates and installs flange screw 11, quantitative piston 7 keeps away from the one end of injection piston 6 and installs the adjusting screw 12 that is equipped with quantitative scale with flange 11 threaded connection its outer wall.

In this embodiment, when the immune cell preparation is quantified, the threaded flange 11 is rotated to drive the quantitative piston 7 to move in the direction away from the first one-way valve 2 through the threaded connection with the adjusting screw 12, so as to adjust the quantification of the device, the push plate 9 is pulled after the adjustment is completed to drive the injection piston 6 to slide in the direction of the quantitative piston 7, the space volume between the injection piston 6 and the first one-way valve 2 in the sleeve 2 is increased, the pressure is reduced, so that the cell preparation enters the sleeve 2 through the drug inlet tube 5 and the second one-way valve 4, and when the injection piston 6 abuts against the quantitative piston 7, the quantification of the cell preparation is completed.

Specifically, connecting columns 8 parallel to the adjusting screw 12 are fixedly mounted on two sides of the outer wall of one end, close to the quantitative piston 7, of the injection piston 6, and one end, far away from the injection piston 6, of each connecting column 8 extends out of the sleeve 1 and is fixedly connected with a push plate 9.

Furthermore, the periphery of the outer wall of the quantitative piston 7 is provided with a sliding hole, and the quantitative piston 7 is connected with the outer wall of the connecting column 8 in a sliding mode through the sliding hole.

Furthermore, the middle part of the push plate 9 is provided with a through hole 10 for the passing of an adjusting screw 12, the through hole 10 is coaxial with the adjusting screw 12, and the diameter of the through hole 10 is larger than that of the adjusting screw 12.

Preferably, the first check valve 2 is communicated when the medical fluid in the cannula 1 is discharged, but is not communicated when the medical fluid enters the cannula 1.

Preferably, second check valve 4 communicates when the liquid medicine gets into sleeve 1 inside, then can't communicate when the inside liquid medicine of sleeve 1 discharges, when the device is quantitative to immune cell preparation, pulling push plate 9, make it drive injection piston 6 to 7 direction slides of ration piston, first check valve 2 does not communicate this moment, second check valve 4 communicates, cell preparation gets into sleeve 1 through second check valve 4, reverse promotion push plate 9 during moulding plastics, first check valve 2 communicates this moment, 4 portions of second check valve communicate, cell preparation gets into syringe needle 3 through first check valve 2.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An immune cell preparation quantitative control device for cervical multipoint injection comprises: the sleeve (1) is characterized in that one end of the sleeve (1) is fixedly provided with a first one-way valve (2), a second one-way valve (4) is fixedly arranged at one end of the sleeve (1) close to the outer wall of the first one-way valve (2), one ends of the first one-way valve (2) and the second one-way valve (4) far away from the sleeve (1) are respectively provided with an injection needle (3) and a medicine inlet pipe (5), an injection piston (6) which slides along the inner wall of the sleeve pipe (1) with single degree of freedom is movably arranged in the sleeve pipe, one side of the injection piston (6) far away from the first one-way valve (2) is movably provided with a quantitative piston (7) which slides along the inner wall of the sleeve (1) with a single degree of freedom, the other end of sleeve pipe (1) rotates and installs screw flange (11), injection piston (6) is kept away from in ration piston (7) one end install with screw flange (11) threaded connection its outer wall be equipped with quantitative scale adjusting screw (12).

2. The quantitative control device of the immune cell preparation for multipoint cervical injection according to claim 1, wherein connecting columns (8) parallel to the adjusting screw rods (12) are fixedly installed on both sides of the outer wall of one end of the injection piston (6) close to the quantitative piston (7), and one ends of the connecting columns (8) far away from the injection piston (6) extend out of the sleeve (1) and are fixedly connected with the push plate (9).

3. The quantitative control device of immune cell preparation for multipoint cervical injection according to claim 2, characterized in that a slide hole is opened around the outer wall of the quantitative piston (7), and the quantitative piston (7) is connected with the outer wall of the connecting column (8) in a sliding manner through the slide hole.

4. The quantitative control device of the immune cell preparation for multipoint cervical injection according to claim 2, wherein a through hole (10) for passing the adjusting screw rod (12) is formed in the middle of the push plate (9), the through hole (10) is coaxial with the adjusting screw rod (12), and the diameter of the through hole (10) is larger than that of the adjusting screw rod (12).

5. The apparatus for quantitatively controlling an immune cell preparation for multipoint cervical injection according to any one of claims 1 to 4, wherein the first check valve (2) is connected when the medical fluid inside the cannula (1) is discharged and is not connected when the medical fluid enters the cannula (1).

6. The quantitative control device of an immune cell preparation for multipoint cervical injection according to any of the claims 1 to 4, characterized in that the second one-way valve (4) is connected when the liquid medicine enters the interior of the cannula (1) and is not connected when the liquid medicine in the interior of the cannula (1) is discharged.